<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>url类型</title>
</head>
<body>
    <form action="" method="post">
        <fieldset>
            <legend>请输入网址</legend>
            <label for="url">Url:</label>
            <input type="url" id="url" name="url" required placeholder="请输入网址">
            <button type="submit">提交</button>
        </fieldset>
    </form>
</body>
</html>